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New internal API function: pn53x_target_receive_dep_bytes().

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This commit is contained in:
Romain Tartiere
2010-08-24 10:11:48 +00:00
parent 7a231cfb03
commit 3d69c8b694
3 changed files with 25 additions and 18 deletions
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21
libnfc/chips/pn53x.c
View File

@@ -870,3 +870,24 @@ bool pn53x_transceive_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t
// Everything went successful
return true;
}
bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* pszRxLen)
{
byte_t abtRx[MAX_FRAME_LEN];
size_t szRxLen;
pnd->iLastError = 0;
// Try to gather a received frame from the reader
if (!pn53x_transceive(pnd,pncmd_target_get_data,2,abtRx,&szRxLen)) return false;
// Save the received byte count
*pszRxLen = szRxLen-1;
// Copy the received bytes
memcpy(pbtRx,abtRx+1,*pszRxLen);
// Everyting seems ok, return true
return true;
}

2
libnfc/chips/pn53x.h
View File

@@ -101,6 +101,8 @@ bool pn53x_transceive_dep_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const si
bool pn53x_transceive_bits(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxBits, const byte_t* pbtTxPar, byte_t* pbtRx, size_t* pszRxBits, byte_t* pbtRxPar);
bool pn53x_transceive_bytes(nfc_device_t* pnd, const byte_t* pbtTx, const size_t szTxLen, byte_t* pbtRx, size_t* pszRxLen);
bool pn53x_target_receive_dep_bytes(nfc_device_t* pnd, byte_t* pbtRx, size_t* pszRxLen);
const char *pn53x_strerror (const nfc_device_t *pnd);
static const struct chip_callbacks pn53x_callbacks_list = {